Autopilot Servos

Editorial Staff

Tuesday, March 22, 2022 at 10:58 AM ET

Verified

Key Takeaways:

Multiple aircraft models reported various malfunctions with flight control servos, predominantly pitch and elevator trim servos.
Common issues included overheating leading to smoke, sticking, intermittent operation, and outright failure, sometimes rendering autopilot systems inoperative.
Problems were attributed to causes such as incorrect maintenance (e.g., overtightened clutches) or noted as recurring issues on specific aircraft or part numbers.

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Beech Model E55 Baron

Overtorqued Servo Clutch

Editorial Staff